Here are the stock market’s biggest winners , losers during Obama’s presidencyRegeneronNASDAQ: REGN) is a leading biotechnology company using the power of science to bring new medicines to patients in need. Feed al time Regeneron PharmaceuticalsREGN) stock price quote, stock graph, news analysis.

5 Things Regeneron's CEO Said as the Biotech Stock Sank Regeneron stock dropped on Monday after concerns were raised with clinical results for e what employees say it's like to work at Regeneron Pharmaceuticals. Get detailed financial information on Regeneron Pharmaceuticals IncNASDAQ:REGN) including real-time stock quotes, all for free!, historical charts financial news

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